Sputum colour for diagnosis of a bacterial infection in patients with acute cough
In a German study, bacteria were cultured from 6/105 (6%) sputum samples that were colourless and 22/136 (16%) sputum samples that were coloured yellow or green.
Authors
Altiner, A., Wilm, S., Däubener, W., Bormann, C., Pentzek, M., Abholz, H. H., & Scherer, M.
